http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56522
--- Comment #15 from wbrana <wbrana at gmail dot com> 2013-03-12 14:28:43 UTC --- I can see different results with different linkers - see above. Your CPU is Nehalem quad core, but my CPU is Sandy Bridge dual core, which have less L1/L2/L3 cache.